use '?' for JOKER (blank)

From letters B, U, S, I, N, E, S, S, P, E, R, S, O, N, S  I made following words

15 letter words

businesspersons[19]

14 letter words

businessperson[18]

13 letter words

supersessions[15]

12 letter words

supersession[14], suspensories[14]

11 letter words

prosinesses[13], bossinesses[13], piousnesses[13], suspensions[13], pursinesses[13], seriousness[11]

10 letter words

superbness[14], pensioners[12], boninesses[12], ropinesses[12], unripeness[12], puninesses[12], supineness[12], suspension[12], businesses[12], snubnesses[12], suspensers[12], suspensors[12], ironnesses[10], nosinesses[10], rosinesses[10], sournesses[10]

9 letter words

bespouses[13], pensioner[11], perniones[11], pensiones[11], isoprenes[11], proneness[11], soberness[11], responses[11], prosiness[11], bossiness[11], espressos[11], repossess[11], possesses[11], preunions[11], unpersons[11], piousness[11], suberises[11], subseries[11], suspenser[11], pursiness[11], espousers[11], repousses[11], suspensor[11], subsenses[11], suspenses[11], nonissues[9]

8 letter words

pinbones[12], bespouse[12], pensione[10], isoprene[10], pereions[10], pioneers[10], ebonises[10], benisons[10], boniness[10], openness[10], pensions[10], erepsins[10], ripeness[10], spinners[10], response[10], ropiness[10], espresso[10], prossies[10], obsesses[10], speisses[10], preunion[10], penuries[10], resupine[10], pruinose[10], unperson[10], puniness[10], suberise[10], suberins[10], suberose[10], boursins[10], pureness[10], espouser[10], repousse[10], subsense[10], business[10], snubness[10], soubises[10], suspense[10], espouses[10], poussies[10], subseres[10], suspires[10], ironness[8], enosises[8], noesises[8], nosiness[8], soreness[8], rosiness[8], sessions[8], neurines[8], neurones[8], reunions[8], nonissue[8], unsonsie[8], enuresis[8], neuroses[8], neurosis[8], resinous[8], nonusers[8], reissues[8], seisures[8], sureness[8], sunrises[8], sourness[8]

7 letter words

pinbone[11], upborne[11], bonnier[9], pereion[9], pioneer[9], bennies[9], ebonies[9], ebonise[9], benison[9], pennies[9], pinenes[9], peonies[9], pension[9], pinones[9], boreens[9], enrobes[9], erepsin[9], repines[9], penners[9], pinners[9], spinner[9], openers[9], pereons[9], reopens[9], orpines[9], penises[9], poesies[9], spinose[9], bossier[9], riboses[9], snipers[9], reposes[9], poisers[9], prossie[9], persons[9], prisons[9], spinors[9], bossies[9], speises[9], spenses[9], brisses[9], presses[9], pissers[9], prisses[9], prosses[9], possess[9], punnier[9], bunnies[9], bunions[9], burnies[9], suberin[9], ourebis[9], bournes[9], unrobes[9], unsober[9], boursin[9], purines[9], eosines[7], oneness[7], sonnies[7], seiners[7], sereins[7], serines[7], sinners[7], soirees[7], senores[7], seniors[7], sonsier[7], senseis[7], essoins[7], osseins[7], session[7], seisers[7], seisors[7], sensors[7], neurine[7], neurone[7], reunion[7], sunnier[7], unrisen[7], urinose[7], neurons[7], nonuser[7]